In the exercise two the output was not result.

After modify the script the result were two “five”

.

In the exercise three the the value of the expression and the type (of the value of the expression) are.

1. width/2 integer 
2. width/2.0 floating-point
3. height/3 floating-point
4. 1 + 2 * 5 integer
5. delimiter * 5 string